ST7735
10.1.23 PTLAR (30h): Partial Area
30H
PTLAR (Partial Area)
Inst / Para D/CX
WRX
RDX
1
D17-8
-
D7
0
D6
0
D5
1
D4
1
D3
0
D2
0
D1
0
D0
0
HEX
PTLAR
1st
0
↑
(30h)
1
↑
↑
↑
↑
1
1
1
1
-
-
-
-
PSL15 PSL14 PSL13 PSL12 PSL11 PSL10 PSL9
PSL7 PSL6 PSL5 PSL4 PSL3 PSL2 PSL1
PEL15 PEL14 PEL13 PEL12 PEL11 PEL10 PEL9
PEL7 PEL6 PEL5 PEL4 PEL3 PEL2 PEL1
PSL8
PSL0
PEL8
PEL0
parameter
2nd
1
1
1
parameter
3rd
parameter
4th
parameter
-This command defines the partial mode’s display area.
-There are 4 parameters associated with this command, the first defines the Start Row (PSL) and the second the End Row
(PEL), as illustrated in the figures below. PSL and PEL refer to the Frame Memory row address counter.
-If End Row > Start Row, when MADCTL ML=’0’
End row
Non-display area
PEL [7:0]
Partial display area
PSL [7:0]
Non-display area
Start row
-If End Row > Start Row, when MADCTL ML=’1’
Start row
Non-display area
PSL [7:0]
Description
Partial display area
PEL [7:0]
Non-display area
End row
-If End Row < Start Row, when MADCTL ML=’0’
Partial display area
End row
PEL [7:0]
Non-display area
PSL [7:0]
Start row
Partial display area
-If End Row = Start Row then the Partial Area will be one row deep.
Default Value
Status
PSL [15:0]
PEL [15:0]
GM[2:0]=”011”
009Fh
GM[2:0]
“xxx”
GM[2:0]=”000”
00A1h
Default
Power On Sequence
S/W Reset
0000h
0000h
0000h
009Fh
00A1h
H/W Reset
009Fh
00A1h
V1.7
105
2009-12-04
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
